MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0c1031ea7d8f98db85e9461f660ceabd4a81ad8fef588498c8a1e34090fd1cb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

RemcosRAT

Vendor detections: 8

Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash:	b0c1031ea7d8f98db85e9461f660ceabd4a81ad8fef588498c8a1e34090fd1cb
SHA3-384 hash:	a5525d2f08f7cb10a28726a2e22eb07be533f5f0e75aaa75974c907c7055f213ff2c07d02a18f86a46f564282e6049d4
SHA1 hash:	bdd97d13d563b3b9614219cca1bdd4a5294cdd2e
MD5 hash:	8ca0fc06be148ab0a35cdcd26b19e51e
humanhash:	island-timing-lactose-december
File name:	task.vbs
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	85'483 bytes
First seen:	2026-09-03 16:08:51 UTC
Last seen:	2026-09-03 23:48:57 UTC
File type:	vbs
MIME type:	text/plain
ssdeep	192:N8mMVc0HiXleRfRnZa3vQ4XGZ/lK3Ry4Z8dsOiAt/qYdYfNNgaF0cFBnmAHbQ:90whoMHk
TLSH	T17983BC3D6855C8B0B760895823CE50723C8D1E0353EEFFE9846B226CC179AF751A7967
Magika	vba
Reporter	abuse_ch
Tags:	RemcosRAT vbs

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/83795/

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm evasive fingerprint obfuscated powershell

Link:

https://www.filescan.io/uploads/6a999ba7e99a87021733f4db/reports/357efe7e-4ed2-4857-9040-4c9ffad99b0f/overview

Verdict:

Malicious

Labled as:

VBS/LausivLoader.F trojan

Link:

https://www.hybrid-analysis.com/sample/b0c1031ea7d8f98db85e9461f660ceabd4a81ad8fef588498c8a1e34090fd1cb

Result

Threat name:

Remcos, DarkTortilla

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1968156

Signature

.NET source code contains method to dynamically call methods (often used by packers)

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to register a low level keyboard hook

Contains functionalty to change the wallpaper

Creates processes via WMI

Detected large data written to user environment variables, potentially indicating payload staging for fileless execution

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Obfuscated command line found

Sigma detected: Potential PowerShell Command Line Obfuscation

Sigma detected: Remcos

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Unusual module load detection (module proxying)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected AntiVM3

Yara detected DarkTortilla Crypter

Yara detected MSIL Injector

Yara detected Powershell download and execute

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b0c1031ea7d8f98db85e9461f660ceabd4a81ad8fef588498c8a1e34090fd1cb

Verdict:

Malware

YARA:

1 match(es)

Tags:

COM Behavior Trace DeObfuscated Obfuscated SOS: 0.20 T1027 T1047 T1059.005 VBScript Wscript.Shell

Link:

https://app.malva.re/file/8ca0fc06be148ab0a35cdcd26b19e51e

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/b0c1031ea7d8f98db85e9461f660ceabd4a81ad8fef588498c8a1e34090fd1cb/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wdaqghvh3d4y3oc6srq7mygovpkkqgwy732yqsmmripdicip2hfq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

discovery execution

Link:

https://tria.ge/reports/260903-tlt9da1ckd/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Executes a VBScript file via the Windows Script Host.

Suspicious use of SetThreadContext

Command and Scripting Interpreter: PowerShell

.NET Reactor proctector

Badlisted process makes network request

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://archivoscrosoft.com/MSI.png

Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.